Build a BMI Calculator with Streamlit
A BMI calculator with height/weight input and health category display. Using Streamlit's Streamlit data apps with interactive widgets and charts, LoomCode AI generates a production-ready bmi calculator with clean code structure, proper state management, and a polished user interface — all from a single text description in seconds. No prior coding experience required.
Build This App NowHow to Build a BMI Calculator with Streamlit
Select Streamlit
Open LoomCode AI and choose the Streamlit template from the template picker.
Describe your app
Type a description of your bmi calculator and click submit.
Preview & deploy
Watch the AI generate code and preview your working app live. Deploy with one click.
Why Build a BMI Calculator with Streamlit
Streamlit makes a bmi calculator accessible to non-technical users. The interactive widgets let people input their data, while Streamlit, Pandas, NumPy power the analysis and visualization.
What the AI Generates for This BMI Calculator
- Interactive Streamlit widgets for user input and filtering
- Data processing with Pandas, NumPy, Plotly
- Auto-generated charts and visualizations
- File upload support for CSV/Excel data
- Data visualization with trend lines and goal indicators
- Privacy-conscious input forms for personal bmi calculator data
Example Prompt
Copy this prompt and paste it into LoomCode AI:
What You Get
LoomCode AI generates a bmi calculator with data input forms, trend visualizations, and goal tracking. Charts show historical data with trend lines, and progress indicators compare current values against targets. The output is properly structured Streamlit code using Streamlit, Pandas, NumPy, Plotly with data processing pipelines, interactive widgets, and visualization libraries. The app runs immediately in a live sandbox — interact with it, test every feature, then iterate with follow-up prompts or deploy to a shareable URL.
Tips for Better Results
- Describe the data you are tracking: "weight, blood pressure, steps, calories" with input method (manual entry, slider, date picker)
- Ask for trend visualization: "line chart showing last 30 days, moving average, goal line overlay"
- Include "daily/weekly/monthly views" and "goal setting with progress percentage" for a complete tracking experience
- Upload a sample CSV or describe your data schema in the prompt for more accurate data handling
Tech Stack
FAQ
Can AI build a BMI Calculator with Streamlit?
Yes. LoomCode AI generates a complete bmi calculator with Streamlit, Pandas, NumPy, Plotly from a text description. The AI understands personal data tracking, visualizations, and goal monitoring and produces working code that runs immediately in a live sandbox. Streamlit's built-in widgets and Python data libraries handle personal data tracking, visualizations, and goal monitoring with interactive controls and visualizations. You can iterate with follow-up prompts to refine features or deploy with one click.
How long does it take to build a BMI Calculator with AI?
A working bmi calculator typically generates in 30-60 seconds. The initial version includes personal data tracking, visualizations, and goal monitoring with a polished UI. From there, you can add features incrementally — each follow-up prompt takes another 15-30 seconds. Most users go from idea to a deployable bmi calculator in under 10 minutes, compared to hours or days of manual development.
Can I customize the generated BMI Calculator?
Yes, in two ways. First, use natural language follow-up prompts: "add dark mode", "change the layout to tabs", or "add a search filter" — the AI modifies the existing code. Second, copy the full source code and edit it directly. The output is standard Streamlit code using Streamlit and Pandas that works in any Python environment.
Which AI model works best for a BMI Calculator?
For a bmi calculator, GPT-4o offers the best speed-to-quality balance for quick iterations. Claude 3.5 Sonnet produces more polished code for complex features. DeepSeek V3 is a cost-effective alternative for simpler versions. You can switch models anytime.
Is the generated bmi calculator production-ready?
For prototypes and MVPs, the generated bmi calculator is typically ready to use immediately. The code includes data validation, error handling, and interactive widgets. For production deployment at scale, you may want to add automated tests, error boundaries, and monitoring.
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